﻿/************************************************************************

   Extended Silverlight Toolkit

   Copyright (C) 2010-2012 Xceed Software Inc.

   This program is provided to you under the terms of the Microsoft Public
   License (Ms-PL) as published at http://extendedsilverlight.codeplex.com/license

   Please purchase a commercial version of this toolkit if you are using
   it in a commercial product. The commercial versions support the project,
   and also include more features for each control, priority support,
   source code, updates, removed watermark, and a proprietary license.

   Visit http://xceed.com and follow @datagrid on Twitter.

  **********************************************************************/

using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Data;

namespace Xceed.Silverlight.DataGrid.Converters
{
  public class NullToContentConverter : IValueConverter
  {
    public DataTemplate NullContentTemplate
    { 
      get; 
      set; 
    }

    public DataTemplate OtherContentTemplate
    { 
      get; 
      set; 
    }

    #region IValueConverter Members

    public object Convert( object value, Type targetType, object parameter, System.Globalization.CultureInfo culture )
    {
      object content = null;
      if( value == null )
      {
        if( this.NullContentTemplate != null )
        {
          content = this.NullContentTemplate.LoadContent();
        }
      }
      else if( this.OtherContentTemplate != null )
      {
        content = this.OtherContentTemplate.LoadContent();
      }

      return content;
    }

    public object ConvertBack( object value, Type targetType, object parameter, System.Globalization.CultureInfo culture )
    {
      throw new NotSupportedException( "NullToContentConverter.ConvertBack" );
    }

    #endregion
  }
}
